Shard Key
Everything on SkillVeris tagged Shard Key — collected across the glossary, study notes, blog, and cheat sheets.
5 resources across 1 library
Interview Questions(5)
What is Database Sharding?
Database sharding is a horizontal partitioning technique that splits a large dataset across multiple independent database servers (shards), where each shard ho…
How Do You Choose a Sharding Key?
A good sharding key is a column with high cardinality and an even, predictable value distribution that matches your query patterns, so writes and reads spread…
How Does MongoDB Sharding Architecture Work?
MongoDB sharding distributes a collection’s documents across multiple shards (each a replica set) using a shard key, coordinated by lightweight mongos routers…
Sharding vs. Partitioning: What is the Difference?
Partitioning is the general act of splitting a dataset into smaller pieces by some rule, while sharding is a specific form of horizontal partitioning where tho…
What are the Main Database Sharding Strategies?
The main sharding strategies are range-based (splitting data by contiguous key ranges), hash-based (splitting data by a hash of the key), and directory-based (…